This hidden stream beneath Indianapolis makes an appearance in the best-selling novel "Underground Airlines."

A stunning, abandoned limestone quarry in southern Indiana provided the stone to erect the Empire State Building.

A statue of Balser Brent, young hero of the fictional Indiana classic book, "The Bears of Blue River."

Victory on this battlefield catapulted William Henry Harrison to the presidency in 1840.

The U.S. Air Force commissioned this tower during the Korean War to watch the sky for enemy aircraft.

A working farm as life was in the 1920s.

An old railroad crossing that’s been converted into a pedestrian bridge.

Why would a Civil War general and president choose to be buried in a local Indianapolis graveyard and not Arlington National Cemetery?

Take a glimpse into a pioneer-era homestead at the birthplace and home of Indiana's "Children's Poet."

A Fibonnaci spiral model of our solar system.

Step inside this 1964 whale sculpture to explore its colorful history.

On the grounds of this study, Lew Wallace composed "Ben-Hur: A Tale of the Christ" and many other works.

One of the last remaining covered bridges in the region.

At 431 feet and 10 inches, this is the longest historic covered bridge in the United States.

Purdue students would lean over this iron fence to skirt campus rules against smoking and courting.

Two Indiana icons are honored at this tiny museum, which features the world's largest collection of James Dean memorabilia.

A small rural town hides Indiana's tallest waterfall.

A monument to the King's final show, complete with a time capsule.

One of Indiana's only natural sandstone arches is nestled between resort ruins and an old Boy Scouts camp.

Inspired by a piece of concrete, these three pyramid-shaped buildings have been beloved Indianapolis landmarks for over 50 years.

This Indianapolis landmark offers a secret panoramic view of the city. 

At the top of the hour, this steam-powered clock's eight brass whistles play "Back Home Again in Indiana."

Walk in the footsteps of the famed astronaut at Purdue University.

Tombstones carved to look like tree trunks are used for multiple generations of family members.